CVE-2022-40759

Description

A NULL pointer dereference issue in the TEE_MACCompareFinal function in Samsung mTower through 0.3.0 allows a trusted application to trigger a Denial of Service (DoS) by invoking the function TEE_MACCompareFinal with a NULL pointer for the parameter operation.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
EPSS 0.08%
Third-Party Advisory github.com Third-Party Advisory github.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/Samsung/mTower/blob/efd36709306a9afcca5b4782499d01be0c7a02a5/tee/lib/libutee/tee_api_operations.c#L1249 third party advisory patch
https://github.com/Samsung/mTower/issues/80 third party advisory

Frequently Asked Questions

What is the severity of CVE-2022-40759?
CVE-2022-40759 has been scored as a high severity vulnerability.
How to fix CVE-2022-40759?
To fix CVE-2022-40759, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2022-40759 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2022-40759 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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